Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May arrives, a slight rise in the average high-temperature is observed, moving from a moderately hot 75.4°F (24.1°C) in April to a still warm 82.8°F (28.2°C). Washington records an average nighttime low-temperature of 64°F (17.8°C) throughout May.Heat index
The heat index in May is appraised at a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In May, the average relative humidity in Washington is 78%.Rainfall
In Washington, in May, during 12.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 137.6 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall.Daylight
In May, the average length of the day is 13h and 47min.On the first day of May in Washington, sunrise is at 6:19 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:05 pm CDT.
Sunshine
In May, the average sunshine in Washington is 9.9h.UV index
The average daily maximum UV index in May in Washington, Mississippi, is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, a regular UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Washington during May?
What is the average humidity in May in Washington?
How many days does it rain in May in Washington?
When it does not snow in Washington?
What is the average length of the day in May in Washington?
When are sunrise and sunset in May in Washington?
How long on average sun shines in May in Washington?
What is the UV index reading in May in Washington?
Average temperature in May
Washington, MS
- Average high temperature in May: 82.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in May: 64°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in May
Washington, MS
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in May
Washington, MS
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity in May
Washington, MS
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Washington, MS
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in May
Washington, MS
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in May
Washington, MS
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Washington, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Washington, MS
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Washington, MS
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is August (11 days).
Average UV index in May
Washington, MS
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Washington, MS
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in May
Washington, MS
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Washington, Mississippi, USA
Weather forecast for your location
2. Allow the app to use your location